2017 Subaru BRZ AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 Subaru BRZ and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2017 Subaru BRZ AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when the AC isn't working in a 2017 Subaru BRZ?

When your 2017 Subaru BRZ's AC isn't functioning, start by checking the thermostat setting to ensure it's correctly adjusted to a cool temperature and that the AC is activated. Next, inspect the air vents to confirm that air is flowing; if not, the blower motor or vent system may be at fault. Pay attention to any unusual noises, as these could signal issues with the compressor or other components. It's also crucial to examine the AC fuse for any signs of being blown, as this can disrupt the system's operation. Additionally, low refrigerant levels can lead to warm air blowing from the vents, so checking and potentially recharging the refrigerant is advisable. Look for any visible leaks in the AC system, as these can significantly affect performance. Finally, test the compressor to see if it engages when the AC is turned on; a malfunctioning compressor can prevent proper cooling. By systematically following these steps, you can effectively diagnose and address common AC issues in your Subaru BRZ.

What are the common problems that could cause the AC system to stop working in a 2017 Subaru BRZ?

When troubleshooting the AC system in a 2017 Subaru BRZ, it's essential to recognize several common problems that could lead to its failure. One of the primary culprits is low refrigerant levels, which can significantly hinder the system's cooling efficiency. If the refrigerant is insufficient, it may indicate a leak or that the system has not been properly charged. Another frequent issue is related to the compressor; a faulty clutch or complete compressor failure can prevent the AC from functioning altogether. Additionally, electrical problems, such as blown fuses or damaged wiring, can disrupt the power supply to the AC components, leading to system malfunctions. Clogged or leaking refrigerant lines can also impede the flow of refrigerant, further compromising the cooling performance. Lastly, if the cooling fans are not operating correctly, they can restrict airflow through the condenser, which is crucial for effective heat exchange. By understanding these common issues, DIY enthusiasts can better diagnose and address the problems affecting their Subaru BRZ's AC system.

How urgent is it to address the AC failure in my 2017 Subaru BRZ?

When faced with an AC failure in your 2017 Subaru BRZ, it is crucial to recognize the urgency of the situation. A malfunctioning air conditioning system not only compromises your comfort during extreme weather but can also signal deeper issues within your vehicle's cooling system. Ignoring these symptoms may lead to overheating, which poses a significant risk to your engine's health and overall vehicle performance. By addressing the AC failure promptly, you can prevent further damage, potentially saving on costly repairs down the line. Regular maintenance and timely repairs are essential for maintaining your vehicle's efficiency and reliability. Therefore, while it may not seem like an immediate emergency, taking swift action on your AC issues is advisable to ensure a safe and comfortable driving experience.

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